NAICS 237990: Other Heavy and Civil Engineering Construction
This industry comprises establishments primarily engaged in heavy and civil engineering construction projects (excluding highway, street, bridge, and distribution line construction).  The work performed may include new work, reconstruction, rehabilitation, and repairs.  Specialty trade contractors are included in this industry if they are engaged in activities primarily related to heavy and civil engineering construction projects (excluding highway, street, bridge, distribution line, oil and gas structure, and utilities building and structure construction).  Construction projects involving water resources (e.g., dredging and land drainage), development of marine facilities, and projects involving open space improvement (e.g., parks and trails) are included in this industry.

Illustrative Examples:

Channel construction
Land drainage contractors
Dam construction
Marine construction
Dock construction
Microtunneling contractors
Dredging (e.g., canal, channel, ditch, waterway)
Nuclear waste disposal site construction
Earth retention system construction
Flood control project construction
Park ground and recreational open space improvement construction
Railroad construction
Golf course construction
Subway construction
Horizontal drilling (e.g., cable, pipeline, sewer installation)
Trenching, underwater
Hydroelectric generating station construction
Tunnel construction 

ExioML sector: Construction work (45)
Region: US | Year: 2022
Sector value added: 916907.924103 M EUR | Employment: 17329.2593376 thousand persons
Sector GHG emissions: 49388377293.7 kg CO2 eq | Energy carrier net total: 903450.264368 TJ | Carbon intensity: 0.05386405329849892

Company: Campbell Transportation Co Inc
Campbell Transportation Company, Inc. is a privately held business focused on providing safe, efficient, and reliable service to marine transportation customers throughout the inland waterways. The company has a history going back over 100 years, but it's been under current ownership for over 50 years.